TCP SYN (JA4T)

65535_2-4-8-1-3_1100_6

first seen 2026-07-25 12:16 · last seen 2026-09-15 05:39 · JSON

Decomposed attributes

TCP window65535
Option kinds2-4-8-1-3
MSS1100
Window scale6

Co-observed signals

Signals from other families seen in the same observation. A fingerprint spread thinly across many lower-layer signatures is a classic inconsistency signal.

TLS ClientHello (JA4)

fingerprintco-occurrences
t13d1515h1_8daaf6152771_de4a06bb82e32
t13d4412h1_fd39b124ee10_58ed7828516f2
t13d1515h1_8daaf6152771_0a20fe35d3a51

HTTP request (JA4H)

fingerprintco-occurrences
ge11nn050000_b223a0ebb0b5_000000000000_000000000000 Match?Exact match in Thumbprint's published controlled catalog captures: python-requests 2.34.2, python-requests 2.33.1, python-requests 2.32.3.The fingerprint page shows the full measured match list. More on the catalog.2
ge11nn13enus_9db22d02e17a_000000000000_0000000000002
ge11nn14enus_4a2973d235de_000000000000_0000000000001

TCP SYN (p0f)

fingerprintco-occurrences
4:42+22:0:1100:65535,6:mss,sok,ts,nop,ws:df,id+:03
4:46+18:0:1100:65535,6:mss,sok,ts,nop,ws:df,id+:02

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.361
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.0.0 Safari/537.361
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/101.0.4951.67 Safari/537.361
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.114 Safari/537.361
Mozilla/5.0 (Windows NT 6.3; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/75.0.3770.100 ADG/11.0.2566 AOLBUILD/11.0.2566 Safari/537.361

Country

fingerprintco-occurrences
DO · Dominican Republic3
BD · Bangladesh1
OM · Oman1

Network (ASN)

fingerprintco-occurrences
AS28118 · ALTICE DOMINICANA S.A.3
AS14593 · Space Exploration Technologies Corporation1
AS140888 · MTN.COM1